Home / 1,923,125.76-2,883,901.32-857,439

Finding the Fourth Proportional to 1,923,125.76, 2,883,901.32 and 857,439

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Solution

The fourth proportional to 1,923,125.76, 2,883,901.32 and 857,439 is: 1,285,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,125.76 : 2,883,901.32 = 857,439 : x
  2. Step 2: Convert to fraction form
    1,923,125.76/2,883,901.32 = 857,439/x
  3. Step 3: Cross multiply
    1,923,125.76x = 2,883,901.32 × 857,439
  4. Step 4: Simplify right side
    1,923,125.76x = 2,472,769,463,919.48
  5. Step 5: Solve for x
    x = 2,472,769,463,919.48/1,923,125.76
  6. Step 6: Final answer
    x = 1,285,807.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.